Johns, Yohanni, author
Buku Teks
Puchta, Herbert
Cambridge University Press, 2010
Buku Teks
Lander, Eleanor
Newbury House Publishers, 1983
Buku Teks
Ahn, Kyung Hwa, author
Korean Studies Department, The Korea Foundation, 2008
Multimedia
Sato, Eriko, author
Wiley, 2002
Buku Teks